Liaohe, the Yangtze River and the Pearl River downstream tidal characteristics table | ||||||||||
site name | Liaohe River | Yangtze | Pearl River | |||||||
Yingkou | Three Chahe | Wusong | Jiangyin | Zhenjiang | Nanjing | Wuhu | Jiangmen | Ma mouth | Gaoyao | |
Rising tide lasted | 5h08m | 4h07m | 4h33m | 3h40m | 3h23m | 3h52m | 3h54m | 4h47m | 4h19m | 4h07m |
The ebb tide lasted | 7h24m | 8h20m | 7h52m | 8h45m | 9h03m | 3h32m | 8h28m | 7h46m | 8h55m | 9h30m |
Mean tidal range (m) | 2.55 | 0.97 | 2.27 | 1.62 | 0.89 | 0.53 | 0.22 | 0.51 | 0.28 | 0.21 |
Climactic gap | 5h55m | 10h56m | 0h10m | 4h49m | 7h50m | 10h28m | 13h20m |
Tidal characteristics of estuaries in Qiantang River | ||||||
Site name | Ganpu | Jianshan | Salt official | Before the warehouse | Seven Fort | Gate |
The average tide lasted | 5h29m | 3h48m | 2h36m | 2h10m | 2h00m | 1h51m |
The average ebb tide lasted | 6h57m | 8h37m | 9h50m | 10h15m | 10h23m | 10h33m |
Mean tidal range (m) | 5.54 | 5.33 | 3.85 | 1.73 | 0.80 | 0.62 |
Coastal areas of China Coastal summer and winter waves to the frequency (%) | |||||||
Position | Dalian | Tanggu | Diversion ship (Yangtze River Estuary) | Sheng Mountain | Pingtan | Eight | South China Sea islands |
Winter (January) Waves to: northwest, north, northeast |
No waves | No waves | 64 | 50 | 92 | 67 | 69 |
Summer (July) Waves to: southwest, south and southeast |
21 | 30 | 72 | 70 | 67 | 74 | 73 |
Tidal properties:
1.Rule half-day tide
2.Rules of the whole day tide
3.Irregular half-day tide
4.Irregular day tide
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